Pelco EH3515, EH3512 Table A. Enclosure Accessory Wiring Distances, Pelco Manual C478M-L11/03

120 VAC MODEL 24 VAC MODEL

DEFROSTER

INPUT, AC HIGH

1INPUT, AC LOW (NEUTRAL)

2 GROUND

3

4BLOWER

5

6

7

8

9FRONT HEATER

REAR HEATER

DEFROSTER

1

2

3

4

5

6

7

8

9

10

INPUT, AC HIGH

INPUT, AC LOW (NEUTRAL) GROUND

RED	DIODE	RED	BLOWER
BLK	BRIDGE	BLK
		CAP
	FRONT HEATER
	REAR HEATER

DEFROSTER

230 VAC MODEL

	INPUT, AC HIGH
1	INPUT, AC LOW (NEUTRAL)
	GROUND
2
3	RESISTOR
4	120 VAC BLOWER	NOTE: BLOWER APPLIES
5
		TO -1/-2/-3 MODELS ONLY.
6
7
8

9FRONT HEATER

REAR HEATER

Figure 3. EH3515-1/-1HD/-2/-2HD/-3/-3HD Wiring Diagram

CAUTION: When using a single power source for both camera and accessories, consider the camera power consumption when determining the wire gauge. Table A does not include camera power.

Table A. Enclosure Accessory Wiring Distances

The following cable sizes are the minimum recommended for use with the heater and defroster combination in enclosures in the EH3508 Series, and the heater, defroster, and blower combination in enclosures in the EH3512 Series and EH3515 Series only.

Model Number	Input Voltage	Accessories	Power Consumption	Cable Size	Cable Distance
EH3508-1	120 VAC	Heater	13 watts	20 AWG	5,456 ft	(1,662 m)
EH3512-1HD	at 60 Hz	Defroster		18 AWG	8,680 ft	(2,645 m)
				16 AWG	13,777 ft	(4,199 m)
				14 AWG	21,978 ft	(6,698 m)
EH3508-2	24 VAC	Heater	13 watts	20 AWG	218 ft	(66 m)
EH3512-2HD	at 60 Hz	Defroster		18 AWG	347 ft	(105 m)
				16 AWG	551 ft	(167 m)
				14 AWG	879 ft	(267 m)
EH3508-3	230 VAC	Heater	13 watts	20 AWG	20,045 ft	(6,109 m)
EH3512-3HD	at 50 Hz	Defroster		18 AWG	31,890 ft	(9,720 m)
				16 AWG	50,612 ft (15,426 m)
				14 AWG	80,738 ft (24,608 m)
EH3512-1	120 VAC	Heater	17 watts	20 AWG	4,172 ft	(1,271 m)
	at 60 Hz	Defroster		18 AWG	6,658 ft	(2,023 m)
		Blower		16 AWG	10,535 ft	(3,211 m)
				14 AWG	16,806 ft	(5,122 m)
EH3512-2	24 VAC	Heater	15 watts	20 AWG	189 ft	(57 m)
	at 60 Hz	Defroster		18 AWG	300 ft	(91 m)
		Blower		16 AWG	477 ft	(145 m)
				14 AWG	761 ft	(231 m)
EH3512-3	230 VAC	Heater	22 watts	20 AWG	11,845 ft	(3,610 m)
	at 50 Hz	Defroster		18 AWG	18,844 ft	(5,743 m)
		Blower*		16 AWG	29,907 ft	(9,115 m)
				14 AWG	47,709 ft (14,541 m)
EH3515-1	120 VAC	Heater	27 watts	20 AWG	29 ft	(8 m)
	at 60 Hz	Defroster		18 AWG	47 ft	(14 m)
		Blower		16 AWG	75 ft	(22 m)
				14 AWG	120 ft	(36 m)
*Blower and resistor are 4.5 watts each for a total circuit power of 9 watts.					(Continued on next page)

Pelco Manual C478M-L (11/03) 5