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Bard Q24H1 Installation Instructions Manual

Summary of Q24H1

  • Page 1

    Manual 2100-519c page 1 of 42 models: q24h1 q30h1 q36h1 q42h1 q48h1 q60h1 q-tec series packaged heat pump installation instructions bard manufacturing company, inc. Bryan, ohio 43506 since 1914 . . . Moving ahead, just as planned. Manual: 2100-519c supersedes: 2100-519b file: vol. Ii tab 14 date: 02...

  • Page 2

    Manual 2100-519c page 2 of 42 contents getting other information and publications for more information, contact these publishers: .......... 3 q-t ec general information q-t ec model nomenclature ......................................... 4 shipping damage ...............................................

  • Page 3

    Manual 2100-519c page 3 of 42 getting other information and publications these publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. Natio...

  • Page 4

    Manual 2100-519c page 4 of 42 table 1 factory built-in electric heat table s l e d o m a - 1 h 4 2 q a - 1 h 0 3 q b - 1 h 4 2 q b - 1 h 0 3 q c - 1 h 4 2 q c - 1 h 0 3 q a - 1 h 6 3 q a - 1 h 2 4 q a - 1 h 8 4 q a - 1 h 0 6 q b - 1 h 6 3 q b - 1 h 2 4 q b - 1 h 8 4 q b - 1 h 0 6 q c - 1 h 6 3 q c -...

  • Page 5

    Manual 2100-519c page 5 of 42 t i u c r i c e l g n i s t i u c r i c l a u d l e d o m d e t a r s tl o v e s a h p d n a d l e i f . O n r e w o p s t i u c r i c 3 m u m i n i m t i u c r i c y t i c a p m a 1 m u m i x a m e s u f l a n r e t x e . R k r b . T k c r o 2 d l e i f r e w o p e z i...

  • Page 6

    Manual 2100-519c page 6 of 42 figure 1 unit dimensions q24h1 q30h1 q36h1 q42h1 q48h1 q60h1.

  • Page 7

    Manual 2100-519c page 7 of 42 shipping damage upon receipt of equipment, the carton should be checked for external signs of shipping damage. The skid must remain attached to the unit until the unit is ready for installation. If damage is found, the receiving party must contact the last carrier immed...

  • Page 8

    Manual 2100-519c page 8 of 42 handling unit after removal from skid the unit will have to be turned sideways and removed from the skid to fit through a 36" doorway. If the door height allows, the unit can be slid sideways through the door. If the unit cannot be slid through the door, then the unit w...

  • Page 9

    Manual 2100-519c page 9 of 42 figure 6 ducted application figure 5 installation with free blow plenum.

  • Page 10

    Manual 2100-519c page 10 of 42 duct work any heat pump is more critical of proper operating charge and an adequate duct system than a straight air conditioning unit. All duct work must be properly sized for the design airflow requirement of the equipment. Air conditioning contractors of america (acc...

  • Page 11

    Manual 2100-519c page 11 of 42 fresh air intake this unit is equipped with a fresh air damper assembly. The damper blade is locked in the closed position when the unit is shipped from the factory. To allow the damper to operate remove the two plastic locking pins, one on each end of the blade. This ...

  • Page 12

    Manual 2100-519c page 12 of 42 figure 10 standard rear drain water trap figure 11 rear drain (top view) wall (maximum 10" for rear drain) couplings not shown but recommended for ease of removability for service. Sleeve drain line wall bracket unit figure 9 optional side drain (side view) installatio...

  • Page 13

    Manual 2100-519c page 13 of 42 m is -2469 drain bo x w al l sl eeve o verfl o w tube caul k around t u be figure 12a.

  • Page 14

    Manual 2100-519c page 14 of 42 supplied with drain box kit 3/4" plastic pipe nipple horizontal to floor) (tighten threads so tee is threads) (apply teflon tape to rear drain connection in q/tec product 1/2" slip x 1/2" slip x 3/4" npt tee supplied with drain box kit plug installed in side q/tec drai...

  • Page 15

    Manual 2100-519c page 15 of 42 remove knock-out for indoor drain hose connector mis-2471 figure 12c (if used).

  • Page 16

    Manual 2100-519c page 16 of 42 mis-2472 drain hose from indoor drain pan. Move hose from attachment in lower drain pan and slide onto drain box barb fitting, securing with supplied clamp if outdoor pan is bypassed. ( will reduce risk of algae growth in the outdoor pan but at a slight cooling perform...

  • Page 17

    Manual 2100-519c page 17 of 42 washer sleeve stud mis-2689 nut lower control panel condenser door (removed) return grille figure 13a unit mounting - method 1 bottom trim piece bottom trim extension mounting bracket side trim (2 pcs.) side trim (2 pcs.) cabinet side panel enlarged view of mounting br...

  • Page 18

    Manual 2100-519c page 18 of 42 installation instructions mounting the unit when installing a q-t ec unit near an interior wall on the left side, a minimum of 8 inches is required; 12 inches is preferred. When installing a q-t ec unit near an interior wall on the right side, a minimum of 18 inches is...

  • Page 19

    Manual 2100-519c page 19 of 42 the standard climate control option x is a remote thermostat connection terminal block. See figure 17a for wiring diagram. Compatible thermostats are listed in table 4. See fig. 17b for remote co 2 sensor connection. The climate control option a is an electronic, non- ...

  • Page 20

    Manual 2100-519c page 20 of 42 low voltage connections these units use a grounded 24 volt ac low voltage circuit. The “r” terminal is the hot terminal and the “c” terminal is grounded. “g” terminal or pins 6 and 1 of p2 are the fan inputs . Both must be energized for proper fan operation. This is do...

  • Page 21

    Manual 2100-519c page 21 of 42 mis-1285 figure 16 table 4 wall thermostats t a t s o m r e h t s e r u t a e f t n a n i m o d e r p 0 6 0 - 3 0 4 8 ) 5 4 4 - 0 2 1 1 ( t a e h e g a t s 3 ; l o o c e g a t s 3 c i n o r t c e l e e l b a m m a r g o r p - n o n / e l b a m m a r g o r p l a n o i t...

  • Page 22

    Manual 2100-519c page 22 of 42 bard part #8403-060 thermostat brown/white red/white yellow blue brown orange orange red/yellow black/white r y l w1 b w2 e c w3 o1 g c e aux o/b y r r y1 l o/b w2 bard part #8403-058 w1/e c g thermostat #th522001151 mis-2687 rc remote thermostat wiring diagram "x" the...

  • Page 23

    Manual 2100-519c page 23 of 42 2 4 5 3 1 thermostat #th522001151 black red bard part #8403-056 24vac analog brown/white red/white yellow blue brown orange orange red/yellow black/white r y l w1 b w2 e c w3 o1 g c e aux o/b y r r yellow y1 l o/b rc bard part #8403-060 w2 w1/e c mis-2688 #c7232a1008 o...

  • Page 24

    Manual 2100-519c page 24 of 42 3 orange red/white 2 12 red/yellow brown w2 y1 c plug #2 7 blue 9 w1/e 10 6 part #8403-060 5 black/white 1 g o/b yellow brown/white 11 8 4 r temp. And humidity controller orange pink 4102-062 a l figure 18 unit mounted thermostat wiring diagram “a” thermostat option no...

  • Page 25

    Manual 2100-519c page 25 of 42 2 orange red/white blue 9 w1/e 10 6 temp. And humidity controller part #8403-060 5 black/white g o/b 3 11 8 4102-060 r y1 plug #2 c w2 1 yellow 12 red/yellow brown 7 orange a brown/white 4 figure 19 unit mounted thermostat wiring diagram “d” thermostat option.

  • Page 26

    Manual 2100-519c page 26 of 42 4 5 3 2 1 relay orange red/white blue 9 w1/e 10 6 temp. And humidity controller part #8403-060 5 black/white g o/b 3 11 8 4102-059 r y1 plug #2 c w2 1 yellow 12 red/yellow brown 7 a brown/white 2 4 b la ck/wh ite red/ whi te b rown/ whi te orange orange orange green br...

  • Page 27

    Manual 2100-519c page 27 of 42 start up these units require r-410a refrigerant and polyol ester oil. General: 1. Use separate service equipment to avoid cross contamination of oil and refrigerants. 2. Use recovery equipment rated for r-410a refrigerant. 3. Use manifold gauges rated for r-410a (800 p...

  • Page 28

    Manual 2100-519c page 28 of 42 start up description of standard equipment solid state electronic heat pump control provides efficient 30-minute defrost cycle. A thermistor sensor and speed up terminal for service along with a 10-minute defrost override are standard on the electronic heat pump contro...

  • Page 29

    Manual 2100-519c page 29 of 42 service hints 1. Caution user to maintain clean air filters at all times. Also, not to needlessly close off supply air registers. This may reduce airflow through the system, which shortens equipment service life as well as increasing operating costs and noise levels. 2...

  • Page 30

    Manual 2100-519c page 30 of 42 q-t ec energy recovery ventilator (option) before starting, make sure that the power has been turned off. The return air grille panel must be removed. The energy recovery ventilator (qerv) can be seen after the panel has been removed. To gain access to the mist elimina...

  • Page 31

    Manual 2100-519c page 31 of 42 figure 21 fresh air damper removal mounting screw.

  • Page 32

    Manual 2100-519c page 32 of 42 figure 22 qerv removal mounting screws front fill lower blower assembly power connector power connectors.

  • Page 33

    Manual 2100-519c page 33 of 42 sequence of operation cooling – circuit r-y makes at thermostat pulling in compressor contactor, starting the compressor and outdoor motor. The g (indoor motor) circuit is automatically completed on any call for cooling operation or can be energized by manual fan switc...

  • Page 34

    Manual 2100-519c page 34 of 42 pressure service ports high and low pressure service ports are installed on all units so that the system operating pressures can be observed. Pressure tables can be found later in the manual covering all models. It is imperative to match the correct pressure table to t...

  • Page 35

    Manual 2100-519c page 35 of 42 120* sw 1 sw 2 time (sec) off off on on off on off on 30 60 180 low pressure bypass timer switch (factory setting 120 seconds) accumulated run time selector (factory setting 30 min.) mis-2684 a on off figure 24 defrost control board.

  • Page 36

    Manual 2100-519c page 36 of 42 troubleshooting table 5 troubleshooting m o t p m y s s e s u a c e l b i s s o p & k c e h c , n o i t p i r c s e d r i a p e r / k c e h c o t w o h & t a h w ll i w r o s s e r p m o c g n i t a e h ( t r a t s t o n ) g n il o o c r o . N o i t a n i m u l l i d e...

  • Page 37

    Manual 2100-519c page 37 of 42 checking temperature sensor 1. Disconnect temperature sensor from board and from outdoor coil. 2. Use an ohmmeter and measure the resistance of the sensor. Also use ohmmeter to check for short or open. 3. Check resistance reading to chart of resistance use sensor ambie...

  • Page 38

    Manual 2100-519c page 38 of 42 troubleshooting ge ecm ™ motors caution: disconnect power from unit before removing or replacing connectors, or servicing motor. To avoid electric shock from the motor’s capacitors, disconnect power and wait at least 5 minutes before opening motor. Symptom cause/proced...

  • Page 39

    Manual 2100-519c page 39 of 42 troubleshooting ge ecm™ motors cont’d. Replacing ecm control module to replace the control module for the ge variable-speed indoor blower motor you need to take the following steps: 1. You must have the correct replacement module. The controls are factory programmed fo...

  • Page 40

    Manual 2100-519c page 40 of 42 fan blade setting dimensions any service work requiring removal or adjustment in the fan and/or motor area will require that the dimensions in table 7 be checked and blade adjusted in or out of the motor shaft accordingly. 1 maximum esp (inches wc) shown is with 1" thi...

  • Page 41

    Manual 2100-519c page 41 of 42 low side pressure ± 4 psig high side pressure ± 10 psig tables are based upon rated cfm (airflow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system evacuated and recharged to seria...

  • Page 42

    Manual 2100-519c page 42 of 42 table 10 heating pressure (all temperatures in degrees f) l e d o m n r u t e r r i a . P m e t e r u s s e r p l i o c r o o d t u o g n i r e t n e e r u t a r e p m e t r i a 0 5 0 1 5 1 0 2 5 2 0 3 5 3 0 4 5 4 0 5 5 5 0 6 1 h 4 2 q 0 7 e d i s w o l e d i s h g i h...