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WSHP-SVN08B-EN 17
Blower Motor Speed Retrofit
Motors installed in the unit have mul-
tiple speed configurations. To modify
the rpm of the motor, the following
steps may be followed.
WARNING
Hazardous Voltage!
Disconnect all electric power, in-
cluding remote disconnects and
discharge motor start/run capaci-
tors before servicing. Follow prop-
er lockout/tagout procedures to
ensure the power can not be inad-
vertently energized. Failure to dis-
connect power before servicing
could result in death or serious in-
jury.
1 Locate the blower motor relay in-
side the chassis control box.
2 Remove the undesired speed tap.
3 Select desired speed tap wire by
using information from Table 7.
4 Connect desired tap wire to the
1K4 relay at spade 4.
5 Reconnect power to the unit.
Table 6: Lead change
Lead Colors
Lead Speed High Low
Blower 1G 9A
Installation
Air Flow Adjustment
!
Table F1: Blower External Static Pressure without Return Air Door (RAD), with filter
1 The NO "Ducted" option is for non-ducted (free return) units.
2 Units specified as "non-ducted" (free return) are factory wired to low-speed.
3 Units specified as "ducted" are factory wired to high-speed.
Model
No.
Speed
Tap
Ducted
Min
CFM
Max
CFM
External Static Pressure (in. of wg)
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7
GET009HighYes280482-456422383347308---------
GET009LowYes---341329309283----------
GET009HighNo--350--------------
GET009LowNo--285--------------
GET012 High Yes 380 481 - - - 481 458 435 411 385 - - - - - - -
GET012 Low Yes - - - 442 422 404 384 - - - - - - - - - -
GET012 High No - - 492 - - - - - - - - - - - - - -
GET012 Low No - - 402 - - - - - - - - - - - - - -
GET015HighYes475652-----652631611584561535503467429689
GET015LowYes---582566551535519505486-------
GET015HighNo--585--------------
GET015LowNo--485--------------
GET018 High Yes 570 800 - - - - - - - 799 772 747 723 693 664 632 603
GET018 Low Yes - - - 648 642 628 613 596 580 - - - - - - - -
GET018 High No - - 713 - - - - - - - - - - - - - -
GET018 Low No - - 552 - - - - - - - - - - - - - -
GET024HighYes760974----974954927905877846824790---
GET024LowYes---878853836814793773--------
GET024HighNo--987--------------
GET024LowNo--807--------------
GET036 High Yes 1135 1344 - - - - - - - - - - 1344 1313 1282 1255 1219
GET036 Low Yes - - - 1271 1263 1253 1238 1230 1213 1196 1178 1155 - - - - -
GET036 High No - - 1324 - - - - - - - - - - - - - -
GET036 Low No - - 1229 - - - - - - - - - - - - - -