Installation Instructions; Wiring Dlagram - Nordyne MGHA-056A AA FC-02 Installation Instructions Manual

Supplement to Owner's Information
For Models:
MGHA-Q90-AAPQ01, MGHA-Q90-ABPQOl
and MGBA-090-ABPQOl
NORDYNE
manulaclurer of
, In:rIl.TUa>..
IIfOHna;nm.
.00
flo
I Eft,
These models
ha~e
a standing pilot arld an induced draft blower. The Induced draft blower and btower 'elay
ale the only diflerences between these models and the standard stand",g pilot models, The installatiorl
procedure and operatIng instructions for these models are irlcluded In Ihe installallon instructions arld the
owner"s irliormation documents, Follow the Lighting InSlructions lor StandIng P,lot Models.
INSTALLATION SEQUENCE
for models wilh Standing Pilot and Induced Draft
Blowers.
3. When Ihe motor Illach<:ls approxlmaiely 80% 01 lull
speed (he proving SWItch
closes
and encrgizes Ihc
gas valve
1.
On
a
call
for heal, the thermostal contacts dose,
supplyIng 24 VAC to Ihe relay module
4
When the gas valve is coergized II sleps open at a
rod'-lC<Klllow arid opens IUlly after appro..matruy
15 secorlds,
2
The lelay conlacts close and energi~e the ioduood
draft motor.
5. When lhe call lor heal is sallsl,oo lhe lhelmostal
contacts open, the gas valve closes. and the
indlJCed draft blower stops
to.""""",
_010.
w".
t"".1O\OOAL ownt.
•
t ....
. . , T O. """I'"
...
.
~
_a,o.
.... u.m
g:
~:
-
-'
~
,
"'"
r.....' ..
.,,,
....
T"", COIINECn'N'
0&-----
e- - --
-----,
-
Wiring Dlag....m.
Gas
Standing Pilot with Induced Dratl Motor
. . 7tI(>:rMII ",.,
NOROVNE - manufacturer of Intertherm and Miller products _