Nordyne Q4 Series installation instructions Typical Thermostat Connection, Q4 Blower Curves

X		FROM
W3	(Optional,Check	BLOWER
	Thermostat	RELAY

Instructions)

ECONOMIZER	W2
PLUG	Green
	Y2

X		FROM
W3	(Optional,Check	BLOWER
		RELAY
	Thermostat
W2	Instructions)
		Green
ECONOMIZER

1

2Y1

3

4R

Blue 5

6G

7

8O

9

E

INDOOR

THERMOSTAT

SUB-BASE

C

Y

O

W2

R

E

DEFROST

BOARD

PLUG	Y2
1	Y1
2
		C
3	R
4
		Y
Blue 5
	G
6
		O
7
	O
8		W2
9
	E
		R
	INDOOR	E
	THERMOSTAT	DEFROST
	SUB-BASE
		BOARD

Typical Wiring (Field Supplied) for 1-Stage Cool, 1-Stage Heat

Typical Wiring (Field Supplied) for 2-Stage Cool, 1-Stage Heat

Figure 10. Typical Thermostat Connection

				External	Static	Pressure Drop - inches water			column
Model	Speed	0.1		0.2	0.3	0.4	0.5	0.6	0.7	0.8
Q4SA-036	High	1600		1510	1410	1310	1200	1070	930	760
	Medium	1410		1330	1250	1150	1050	940	820	670
	Low	1130		1070	1000	930	850	760	650	530
Q4SA-048	High	2200		2140	2070	2000	1930	1850	1770	1690
	Medium		1940	1890	1830	1760	1700	1630	1560	1490
	Low		1560	1510	1460	1410	1360	1310	1250	1200
Q4SA-060	High	2200		2140	2070	2000	1930	1850	1770	1690
	Medium	1940		1890	1830	1760	1700	1630	1560	1490
	Low	1560		1510	1460	1410	1360	1310	1250	1200

- Speed set at factory

Table 1. Q4 Blower Curves

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