Envision Peripherals Series installation manual Unit Operating Parameters, Dual Capacity Models

NS SPLIT INSTALLATION MANUAL

Unit Operating Parameters

Dual Capacity Models

First Stage Operation

				Cooling -- No Desuperheater
Entering Water	Water Flow	Suction	Discharge		Superheat	Subcooling	Water Temp	Air Temp
Temp °F	GPM/Ton	Pressure	Pressure
		PSIG	PSIG				Rise °F	Drop °F DB
50	1.5	125-140	205-225		9-15	3-10	17-21	17-23
	3.0	120-135	190-210		9-15	3-10	8-12	17-23
70	1.5	135-145	260-290		9-18	5-11	16-20	17-23
	3.0	126-143	230-250		9-18	5-11	9-13	17-23
90	1.5	138-150	315-345		8-14	7-14	14-20	17-23
	3.0	136-148	300-330		8-14	7-14	8-12	17-23
				Heating -- No Desuperheater
Entering Water	Water Flow	Suction	Discharge		Superheat	Subcooling	Water Temp	Air Temp
Temp °F	GPM/Ton	Pressure	Pressure
		PSIG	PSIG				Drop °F	Rise °F DB
30	1.5	76-89	260-325		7-12	4-16	5-9	12-16
	3.0	80-93	265-330		7-12	4-16	3-7	14-18
50	1.5	105-120	295-355		7-14	4-16	7-11	18-22
	3.0	110-125	300-360		7-14	4-16	5-9	20-24
70	1.5	135-155	330-385		9-14	7-15	8-12	24-28
	3.0	140-160	335-390		9-14	7-15	6-10	22-30
Second Stage Operation
				Cooling -- No Desuperheater
Entering Water	Water Flow	Suction	Discharge		Superheat	Subcooling	Water Temp	Air Temp
Temp °F	GPM/Ton	Pressure	Pressure
		PSIG	PSIG				Rise °F	Drop °F DB
50	1.5	120-135	215-235		10-16	3-11	17-21	17-23
	3.0	115-130	200-220		10-16	3-11	8-12	17-23
70	1.5	121-136	270-305		9-15	5-12	16-20	17-23
	3.0	118-133	255-285		9-15	5-12	9-13	17-23
90	1.5	126-143	325-360		8-14	7-15	14-20	17-23
	3.0	123-140	310-340		8-14	7-15	8-12	17-23
				Heating -- No Desuperheater
Entering Water	Water Flow	Suction	Discharge		Superheat	Subcooling	Water Temp	Air Temp
Temp °F	GPM/Ton	Pressure	Pressure
		PSIG	PSIG				Drop °F	Rise °F DB
30	1.5	72-81	280-330		6-12	10-20	5-9	12-16
	3.0	76-85	285-335		6-12	10-20	3-7	14-18
50	1.5	100-115	305-370		6-12	6-18	7-11	18-22
	3.0	105-120	310-375		6-12	6-18	5-9	20-24
70	1.5	133-147	340-400		7-14	4-15	8-12	24-28
	3.0	138-152	345-405		7-14	4-15	6-10	22-30

Note: Cooling performance based on entering air temperatures of 80º F DB, 67º F WB.

Heating performance based on entering air temperature of 70º F DB.

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