Installation
REGULATED MANIFOLD PRESSURE TEST
1. Attach the manometer to the heater jacket.
2. Shut off the main gas valve.
3. Remove 1/8 in. NPT plug on the outlet side of the valve and
screw in the fitting from the manometer kit.
4. Connect the manometer hose to the fitting.
5. Fire the heater.
6. The manometer must read 4 in. WC for natural gas,
11 in. WC for propane gas, while the heater is operating.
7. For adjustment, remove the Regulator Adjustment Cap and
using a screwdriver turn the screw clockwise to increase -
counterclockwise to decrease gas pressure.
ELECTRICAL, IID ELECTRONIC UNITS
Electrical Rating
60 Hz
115 V.A.C. or 230 V.A.C.
50/60 Hz
208 V.A.C. or 240 V.A.C.
NOTE
If any of the original wiring supplied with this
heater must be replaced, installer must supply
(No. 18 AWG 105° C. U.L. approved AWM low
energy stranded) copper wire or it's equivalent.
In Canada: wires must be CSA approved.
WARNING
The heater must be electrically grounded and
bonded in accordance with local codes or, in the
absence of local codes, with the latest national
electrical codes ANSI/NFPA No. 70.
In Canada: CSA standard C22.1 Canada Electrical
Code Part 1 and/or local codes.
Always use crimp type connectors when connecting
two wires.
This heater is equipped with a reversible junction box
to allow line voltage to be wired from either side.
Rev. E 11-5-07
1/8" NPT Plug
(Inlet Press)
Transformer Wiring Instruction
Figure 5.
A-7
29
Regulator Adjustment Cap
ON
OFF
1/8" NPT Plug
(Manifold Press)
REGULATOR
ADJUSTMENT CAP
PILOT
HONEYWELL
1/2 P.S.I.
PRESS
TAP
PILOT
ADJ.
Figure 6.
P/N 472128