HHP PBNU-LD16N080 Installation Instructions Manual - Page 11

Browse online or download pdf Installation Instructions Manual for Furnace HHP PBNU-LD16N080. HHP PBNU-LD16N080 20 pages. Gas-fired furnaces high-efficiency upflow condensing models

Print Page

:>0.65-N2

.LECTRICAL DATA

ls e copper conductors only!

-eld wiring to the unit must conform to and be grounded in

::: c ordance with the provisions of the National Electrical Code

,NSI /NFPA No. 70-1987, Canadian Electrical Code CSA

;22.1 and/or local codes. Electric wires which are field installed

hall conform with the temperature limitation for 63°F/35°C rise

-'ire when installed in accordance w ith instructions. Specific

-lectrical data is given for the furnace on its rating plate and in

· :J ble 1 of this instruction.

::LECTRICAL CONNECTIONS

VOTE: The furnace's control system depends on�

�of the power supply.

Connect the power supply as shown on the unit wiring label

ry:;

J n the i

ide of the blower compartment door.

::>rovide a power supply separate from all other circuits. Install

wercurrent protection and disconnect switch per localfnational

�lectrical codes. The switch should be reasonably close to the

Jnit for convenience in servicing. With the disconnect switch in

the OFF position, check all wiring against the unit wiring label.

Also, see the wiring diagram in this instruction.

Install the field-supplied thermostat. The thermostat instruc

tions for wiring are packed with the thermostat. With the

thermo:.=;tat in the OFF position and the main electrical source

disconnected, complete the low voltage wiring from the thermo

stat to the terminal board on the low voltage transformer.

Typical control wiring is shown in Figure 1 OA.

Set the heat anticipator in t he room thermostat to 1.16

amps. Setting i t lower will

higher will c a

s e t h e room temperature t o exceed th e

e t p oint

NOTE: Some thermostats do not have adjustable anticipators.

On such thermostats, adjust cycle rate to prevent possible

short on/off cycles.

The 24-volt transformer is sized for the furnace components

only, and should not be connected to auxiliary devices such as

humidifiers, air cleaners, etc.

RGURE 10A- TYP ICAL CONTROL WIRING

SAFETY CONTROLS

Interlock Switch

This unit .i? equipped with an Electrical Interlock Switch

mounted in the blower compartment. This switch interrupts

power at the unlt when the panel covering the blower compart

ment is removed. This prevents operation of the automatic gas

control valve and the blower.

WARNING: Blower and burner must never be operattkf without

the blower panel in place.

Electrical supply to this unit is dependent upon the panel that

covers the blower compartment being in pface and propedy

positioned.

short cycles. Setting i t

cause

INOVCER

CONNECTION

CONDENSATE

ORAINPAN

I><OUCER

CONNECTI().( I 2

tNOVCER

I I

CONNECT10N

INDUCER

C<X-lNECll O N

•2

(

F!GUR

� PRESSU RE SW

CAUTIO N: Main power to the unit must still be interrupt e d at

the main power disconne ct switch before·a ny service or

repair work is to be done to the unit. Do not rely upon the

interlock switch as a main power disconn ect .

INOVCER

CONNECTION

�

CH TUBING ROUTIN G

·: · ; · :

Unitary Products Grou p