47110331-01 - 5/20
PHTM II
Installation, Operating & Service Instructions
Final Check Before Starting Boiler
WARNING
Asphyxiation Hazard. Burn Hazard.
Completely read, understand and follow all
instructions in this manual before attempting
start-up.
1. Verify that venting, water piping, gas piping and
electrical system are installed properly.
2. Confirm vent system is complete and free of
obstructions before attempting to fire boiler.
3. Inspect all wiring for loose, uninsulated or
miswired connections.
4. Verify boiler and system are full of water and
pressurized. Verify pump speed is set to 3. (Figure
15-2) Pump located on right side of boiler.
15 Start-Up and Checkout (continued)
B. Use keypad to enter adjust mode and change
parameter A06 from "0" to "1".
• Press and hold "menu" for 3 seconds.
• Press "" or "" buttons until PAS is visible
and press "enter".
• Press "enter" button while PA1 is visible.
• Press "+" or "-" buttons until password "86" is
reached and press "enter". Press and hold for
five seconds to adjust by increments of 10.
• Press "menu" button until PAS is visible.
• Press "" button until A is visible and press
"enter".
• Press "" or "" buttons until A06 is visible
and press "enter".
• Press "+" or "-" buttons to change "0" to "1".
• Press "menu" 3 times to return to display
mode.
C. Apply yellow LP gas conversion label, supplied
with boiler literature packet, to jacket beside
rating label.
Gas Valve Fuel Setting
(Natural Gas)
Gas Valve Fuel Setting
(LP Gas)
Adjustment
Screw
Figure 15-3: Gas valve detail
!
WARNING
Asphyxiation Hazard.
• Do not attempt to operate this boiler on LP
gas without making proper adjustments to gas
valve and control. Do not convert this boiler to
LP gas without using of a combustion analyzer
to verify CO is below 200 ppm. (In event of
high CO, consult section 19 Troubleshooting).
• Failure to properly convert this boiler for use
on LP gas could cause unreliable operation at
elevated carbon monoxide (CO) levels, resulting
in severe personal injury, death or substantial
property damage.
DANGER
Explosion Hazard.
Do not use matches, candles, open flames or
other ignition source to check for leaks. Failure
to comply could result in severe personal injury,
death or substantial property damage.
6. If using LP gas perform conversion stated below,
otherwise skip to Step 7.
NOTICE: When boiler is first powered, control will
automatically run a pump purge sequence (status 11)
for 2 minutes.
5. Check all gas piping before boiler manual shut-off
valve for leaks and purge sections that are filled
with air. Refer to NFPA 54/ANSI Z2223.1 National
Fuel Gas Code and/or CAN/CSA B149.1 Natural
Gas and Propane Installation Code for additional
information on testing and purging gas lines.
Figure 15-2: Pump speed setting
LP Conversion
LP conversion requires (2) steps: gas valve setting
adjustment and control parameter change.
A. Use 2.5 mm hex wrench to adjust gas valve
setting from "1" to "2" (Figure 15-3).
!
!
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