Installation Instructions

2
IMPORTANT INFORMATION
Contact a local propane gas supplier
about installing a gas detecting warning device.
NOTE: To ensure proper operation, install, operate and main-
tain the unit in accordance with these installation instructions,
all local building codes and ordinances. In their absence,
follow the latest edition of the National Fuel Gas Code (NFPA
54/ANSI Z223.1), and/or CAN/CSA B149.1 Installation Codes.
HANG11, 12 and HALP10
The conversion from “standard altitude” orifices (as shipped
from the factory) to “high altitude” orifices requires:
• Removing gas manifold
• Replacing burner orifices
• Reinstalling gas manifold
Before proceeding, shut OFF gas supply at manual shut-off
and turn off power to the unit.
CONTENTS
Important Information .......................................................... 2
HANG11, 12 and HALP10
Orifice Installation Hang11&12 and HALP10 ................ 3
Gas Manifold Removal ............................................ 3
Burner Orifice Replacement .................................... 3
Gas Manifold Re-Installation ................................... 3
HAPS27
Pressure Switch Installation ........................................ 3
HALP10
Propane Gas Unit Kit Installation ................................ 4
Propane Spring Change .............................................. 4
HANG11, 12 and HALP10
Adjustments anc Checks ............................................ 5
Orifice Leak Check ................................................. 5
Furnace Operation Check ....................................... 5
Line Pressure Check .............................................. 5
Manifold Pressure Check........................................ 6
HANG11 & 12
Unit Operation Checks ................................................ 6
Check Normal Operating Sequence
of Ignition System............................................. 6
Verify Gas Input Rates............................................ 6
Inspect Burner Flame ............................................. 6
Check & adjust Unit
Temperture Rise ............................................... 7
HALP10
Adjustments & Checks ............................................... 7
Orifice Leak Check ................................................. 7
Line Pressure Check .............................................. 7
Manifold Pressure Check........................................ 7
Unit Operation Checks ................................................ 7