Install Instructions

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CHAPTER 7
CHAPTER 7 - INTERNAL WIRING
ELECTRICAL SHOCK HAZARD. For your safe-
ty, disconnect electrical power supply to the
unit before servicing or making any electrical
connections to avoid possible electric shock
hazard. Failure to do so can cause serious in-
jury, or death.
Prior to servicing, label all wires before discon-
necting. Wiring errors can cause improper and
dangerous operation. Verify proper wiring and
operation after servicing.
7.1. General Requirements
• Wiring must be N.E.C Class 1.
• If original wiring as supplied with the unit must
be replaced, use only Type T 194ºF [90ºC] wire or
equivalent as a minimum.
• The PRESTIGE Excellence must be electrically
grounded as required by National Electrical Code
(ANSI/NFPA 70) for installations in the U.S., or the
Canadian Electrical Code Part 1(CSA C22.1) for in-
stallations in Canada.
WARNING
CAUTION
7.2. Fuse Locations
• The CTRLMax control module contains 3 internal
replaceable 5A fuses as shown in Fig. 15 below.
• The top two fuses protect the PRESTIGE Excellence
as well as the CH, DHW, and Flame outputs.
• The bottom fuse protects the P3, P4, and Alarm
outputs.
• Spare fuses are located on the back of the control
module enclosure.
Location
of Fuses
Fig. 15 - CTRLMax Control Module Fuse Location