Reznor OPT-CL31 Instructions D'installation

RELAY KIT INSTALLATION FOR MULTIPLE UNIT CONTROL
OPTIONS CL31 AND CL32 FOR ELECTRIC UNIT HEATER MODEL EUH,
DESTRATIFICATION FAN MODEL H, GAS-FIRED DOWNFLOW HEATER MODEL LDAP,
AND GAS-FIRED UNIT HEATER MODELS UBX, UBXC, UBZ, UDX, UDXC, UDZ, AND UEZ
• DO NOT use these multiple unit control options with a two-stage thermostat.
• These instructions are designed to assist a qualified electrician in installing this multiple unit
control kit. For maximum safety, the control is installed in the low voltage circuit. Interruption
of the supply voltage is not recommended.
• All electrical wiring and connections, including electrical grounding, MUST be in accordance
with the National Electric Code (ANSI/NFPA No. 70, latest edition) or, in Canada, the Canadian
Electric Code (Part 1, CSA C.22.1, latest edition). In addition, the installation must comply with
local ordinances and applicable gas company requirements.
• These relay kits are designed to permit the control of up to five units (one control unit and up to four additional
non-control units) with one single-stage thermostat or with a time clock and one or more single-stage thermostats.
• Refer to the installation manual provided with the unit for important safety information.
NOTE: Option CL31 includes components for one control unit and one additional unit. Option
CL32 includes components for each additional non-control unit. Not all kit components will be
used on all models.
Ensure that all components listed in
Item
Component Description
No.
1 Relay Assembly
2 Screw
3 Cable clamp 3/16
4 Label Wiring diagram
30VA
5 Transformer
40VA
6 Wiring harness Assembly
*
Includes relay(s) (PN 18549), 24VAC DPDT plug(s) (PN 211411), and socket(s) with wires and terminals (PN 211415). If replacing a
previously-used relay only (PN 98118) on an LDAP unit, order replacement kit PN 263527.
**
Includes relay (PN 18549) and bracket.
DO NOT DESTROY. PLEASE READ CAREFULLY. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
⚠ CAUTION ⚠
KIT COMPONENTS
Table 1 Table 2
or
Table 1. Kit Components (Models EUH and LDAP)
EUH
LDAP
(208V-240V)
1041280 1042927
*
208365 (2)
38529 (4)
—
—
— 621709 (1)
Revision: OPT-CL31,32 (02-25) 1042699-E
Supersedes: OPT-CL31,32 (11-24) 1042699-D
are available before beginning installation.
Option
CL31
Model
EUH EUH
(277V) (480V)
Kit PN
1047587 1042928
Component PN (Quantity)
**
197157 (2)
195249 (4)
16228 (2)
197164 (2)
1042451 (1) —
— 202661 (1)
1042929 (1)
CL32
EUH
LDAP
(600V)
1047588 1041286
*
208365 (1)
38529 (2)
—
197164 (1)
258912 (1)
— —
EUH
1041287
**
197157 (1)
195249 (2)
16228 (1)