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Warning, Regulated manifold pressure test, Electrical, iid electronic units – Pentair MiniMax CH User Manual

Page 29

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Rev. C 1-22-04

P/N 472128

29

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.

HONEYWELL

PILOT

1/2 P.S.I.

PILOT

ADJ.

REGULATOR

ADJUSTMENT CAP

PRESS
TAP

OFF

ON

Regulator Adjustment Cap

1/8" NPT Plug
(Manifold Press)

1/8" NPT Plug
(Inlet Press)

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.

Figure 6.

Figure 5.

Transformer Wiring Instruction

Installation

A-7

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.