Raypak FlexGas 302BD Installation And Operating Instructions Manual

Manual is about: Raypak Gas-fired Boiler Supplemental Installation and Operating Instructions

Summary of FlexGas 302BD

  • Page 1

    Supplemental installation and operating instructions catalog no. 1000.58b effective: 06-24-08 replaces: 02-22-07 p/n 241295 rev. 3 patent no. 6,904,873; other patent pending for your safety: do not store or use gasoline or other flammable vapors and liquids or other combustible materials in the vici...

  • Page 2

    2 rev. 3 reflects the following: changes to: step 4 of the flexgas system start-up section on page 7; the wiring diagram was moved from page 5 to page 9; the addition of: a note to the attach manometers to measure pressures section on page 7 ..

  • Page 3

    Raypak strongly recommends that this manual be reviewed thoroughly before installing your hi delta heater equipped with flexgas. Raypak also recom- mends that the appropriate hi delta installation and operating instruction manual (1000.501 for 302b- 902b or 1000.511 for 992b – 2342b) be thoroughly r...

  • Page 4

    4 all raypak heaters are national board approved, and design-certified and tested by the canadian stan- dards association (csa) for the u.S. And canada. Each heater is constructed in accordance with section iv of the american society of mechanical engineers (asme) pressure vessel code, and bears eit...

  • Page 5

    5 gas supply pressure a minimum of 5.0 in. Wc and a maximum of 10.5 in. Wc upstream gas pressure is required under load and no-load conditions for natural gas. A minimum of 8.0 in. Wc and a maximum of 13.0 in. Wc is required for propane gas. The gas pressure regulator(s) supplied on the heater is fo...

  • Page 6

    6 start-up for your safety this appliance has a hot surface igniter(s). It is equipped with an ignition device(s) which automatical- ly lights the burners. Do not try to light the burners by hand. Before operating, smell all around the appli- ance area for gas. Be sure to smell near the floor becaus...

  • Page 7

    7 preparation check power supply with multi-meter at incoming power in hi delta heater, check voltage between: hot - common (≈120 vac) hot - ground (≈120 vac) common - ground ( attach manometers to measure pressures 1. Turn off main gas valves. 2. Attach 24” scale manometer to the first main gas shu...

  • Page 8

    From pro to nat: 1. Turn the boiler off (power switch on front control panel). 2. Turn flexgas key to “off”. 3. Close pro manual valve. 4. Open nat manual valve. 5. Turn flexgas key to “nat”. 6. Turn the boiler on. Safety inspection 1. Check all thermostats and high limit settings. 2. During the fol...

  • Page 9

    9 4. Remove all manometers and replace caps and screws. 5. Replace all gas pressure caps. 6. Check for gas leaks one more time. 7. Restart unit. Fig. 5: flexgas control panel fig. 6 wiring diagram * *optional on 302bd–902bd wiring diagram.

  • Page 10

    10

  • Page 11

    11 call out description 302bd-652bd 752bd-902bd 992bd-1262bd 1532bd-2342bd f 3 4 9 1 1 0 f 3 4 9 1 1 0 f 3 4 9 1 1 0 f 3 4 9 1 1 0 y s s a h c t i w s y e k c - 1 f 6 2 1 2 1 0 f 6 2 1 2 1 0 f 6 2 1 2 1 0 f 6 2 1 2 1 0 c a v 0 2 1 t d p s - y a l e r c - 2 3-c connector-wire bonding 007155f 007155f ...

  • Page 12: Www.Raypak.Com

    Raypak, inc., 2151 eastman avenue, oxnard, ca 93030 (805) 278-5300 fax (805) 278-5468 litho in u.S.A. Www.Raypak.Com.