Installation, operation and maintenance model ch10 & ch12 series — 1.5 thru 5 ton split system high efficiency heat pump rev. 1/20/04 23-23-0419n-001.
2 consumer information introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 operation and maintenance instructions . . . . . . . . . . . . . . . .3, 4 dealer installation codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
The heat pump system is a highly efficient way to heat and cool your home. During the summer months, the system transfers heat and humidity from your home to the outside. During the winter months, the heat pump will transfer heat from the outside to inside your home without drying the inside air. Pl...
1. Always install and keep filters clean. Check filters every 10 days to 2 weeks. Clean or replace if necessary. 2. Keep the condenser (outdoor coil) clean. Wash it down with a garden hose if necessary. Be sure the unit disconnect is in the “off” position and that all electrical power to the unit is...
1. The air inlet shall be located at least 12" from a wall or other obstruction for unrestricted air flow. 2. The air outlet shall be located so as to direct discharged air away from the building. (avoid low overhanging roofs to avoid recirculation of condenser discharge air on vertical discharge mo...
Refer to the charts on page 8 for the recommended tube o.D. Sizes on liquid and suction lines. Undersized line sets will increase the refrigerant pressure drop between the indoor evaporator and outdoor unit, resulting in a decrease in system capacity. Oversizing the line sets may result in excessive...
The following guidelines should be followed when installing refrigerant piping. 1. Run the tubing by the most direct route and support every few feet. Do not run the lines underground unless they are in a chase. 2. Insulate the vapor line to prevent sweating and line loss. In underground chases, the...
The following indoor coils and air handlers are designed and approved for use with the ch series units. Refer to the installation instructions supplied with the indoor coils and air handler for installation detail. Some of the following information may not be included in those instructions and is sp...
Because each installation is different in terms of airflow, refrigerant line length, and configuration, the factory charge may not be correct for the application. To assure the best performance from the system, the refrigerant charge should be checked and adjusted if needed on each installation. 1. ...
10 34 32 30 28 26 24 22 20 18 16 14 12 10 8 60 70 80 90 100 110 outdoor temperature ° f cooling mode 26 24 22 20 18 16 14 12 10 8 6 4 2 0 10 20 30 40 50 60 outdoor temperature ° f heating mode upper curve at 80 db, 67 wb ( ° f) entering indoor temp. Lower curve at 70 db, 60 wb ( ° f) entering indoor...
A. Factory-installed expansion valves the sensing bulb must be installed to the vapor line during the field installation. Skip to step 3 below for factory- installed expansion valves. B. Field-installed expansion valves 1. Disassemble the flow rater body and remove the piston from the distributor. B...
Cooling mode the indoor low-voltage thermostat connects the indoor unit transformer “r” to “y” and “o” of the outdoor unit defrost board. The system reversing valve is in the energized position during the cooling mode. The “o” terminal is powered, supplying power to the reversing valve solenoid thro...
