2
CLEARANCES
Space required: See
page 12
.
Minimum and service clearances: See
page
7
for
clearances table. Note that local codes prevail.
PIPING
Pressure relief valve: See
page 20
for
recommended PRV orientation.
Flow rates: See
page 17
for flow rate values.
GAS
Distance to regulator (pipe lengths) and gas inlet
sizes: See
page 17
.
Required pressure for Natural Gas:
Min = 6" WC, Max = 10.5" WC
Required pressure for Propane Gas:
Min = 12" WC, Max = 13" WC
Sediment trap is required for all installations.
See
page 15
.
WATER CHEMISTRY
Water chemistry requirements: See
page 5
.
POWER
Supply voltage: See
page 23
for acceptable input
voltages.
VENTING
Materials: See
pages 11
and
14
.
D-2 Power Vent Kit: See
page 14
.
Indoor Stack: See
page 11
.
CONTROLS INTERFACE
Wiring diagrams: See
pages 24
and
25
.
User interface: See
pages 26
and
27
.
Remote operation: See
page 30
.
QUICK START GUIDE
Revision 41 reflects the following changes:
Updated both coversheet CSA logos. Added "recommendation" notice to the Installation section. Table Q: Added "Is Open" to High
Limit cells. Added new section "High Limit Events" and supporting Figure 51 to "Status and Diagnostics" section. Added additional
service kit information support for Troubleshooting's "Harmonics and Whining" section. IPL: Removed "Units manufactured from
12/2019" from item "6-M", Removed the "PRV 125 PSI" option in its entirety.
PRELIMINARY
UNCONTROLLED DOCUMENT IF PRINTED