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Honeywell W7100, Manual

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Honeywell W7100 Manual Download Page 12

63-4046—1    B.B.  Rev. 9-01 

www.honeywell.com/building/components

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Honeywell Asia Pacific Inc. Honeywell Europe S.A.

Honeywell Latin American

Honeywell

Honeywell Limited-Honeywell Limitée

Room 3213-3225

3 Avenue du Bourget

  

 Region

 

1985 Douglas Drive North

35 Dynamic Drive

Sun Hung Kai Centre

1140 Brussels

480 Sawgrass Corporate Parkway

Golden Valley, MN  55422

Scarborough, Ontario

No. 30 Harbour Road

Belgium

Suite 200

M1V 4Z9

Wanchai

Sunrise FL  33325

Hong Kong

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or modification to, the literature. You will defend and indemnify Honeywell, its affiliates and subsidiaries, from and against 

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Summary of Contents for W7100

Page 1: ...ages using a W7101 Advanced proportional plus integral microprocessor control algorithm minimizes droop Soft start to minimize compressor cycling during system start up Adjustable minimum on off timing and time delay between stages of either 30 or 60 seconds Adjustable setpoint from 10 to 110 F 12 to 43 C Adjustable reset differential from 5 to 20 F 3 to 11K Adjustable control band from 0 to 10 F ...

Page 2: ...rminals 7 and 6 to determine num ber of ON OFF stages See Table 2 Temperature Ratings Ambient 40 F to 150 F 40 C to 66 C Shipping 30 F to 150 F 34 C to 66 C Humidity Rating 5 to 90 percent RH noncondensing Mounting Four mounting holes in base Use No 6 screws not provided Approvals Underwriter s Laboratories Inc Component Recognized Additional System Components C7170A1010 Discharge Water Sensor sen...

Page 3: ... to correct the interference Any unauthorized modification of this equipment may result in the revocation of the owner s authority to continue its operation CAUTION Electrical Shock or Equipment Damage Hazard Can shock individuals or short equipment circuitry Disconnect power supply before installation CAUTION Equipment Damage Hazard Compressor stage ON OFF times less than four minutes can damage ...

Page 4: ...ng under the control of the W7100G This includes any stages on a W7101A sequencer connected to the W7100G control Connecting Additional Stages Control of up to 4 additional stages of ON OFF cooling can be added by using a W7101A Satellite Sequencer to the W7100G system as shown in Fig 4 The fixed resistor value across the W7100G terminals 7 and 8 Table 2 must agree with the total number of cooling...

Page 5: ...R OF STAGES CONTROLLED FAST RESPONSE INPUT REFERS TO THE MINIMUM ON TIME MINIMUM OFF TIME AND MINIMUM TIME DELAY BETWEEN STAGES LEAVE OPEN FOR 60 SEC TIMINGS JUMPER FOR 30 SEC TIMINGS 90 85 80 75 70 65 55 60 60 45 40 SETPOINT F 31 15 15 11 10 10 13 5 5 16 14 12 10 8 6 4 CONTROL BAND 20 20 2 GND TR TR 10 9 8 7 6 T T1 P2 P1 4 3 2 1 5 B C A B C A B C A B C A B C A B C A 24VAC FAST RESPONSE NO STAGES ...

Page 6: ...imit a stage turns off Reset of Discharge Water Temperature Industrial Applications Reset of discharge water temperature is not recommended in a W7100G industrial application because loads on industrial applications typically require a constant temperature fluid for cooling Check industrial process manufacturers for specific details Environmental Applications In order to save additional energy und...

Page 7: ...dify the outside air reset start and stop temperatures To do this a resistor must be placed in parallel with the outside air sensor Rp and a resistor must be placed in series with the outside air sensor Rs See Fig 10 Fig 10 Reset modification schematic wiring diagram Use Table 3 to select the point at which no W7100 setpoint reset will occur T High and the point at which the W7100 will be fully re...

Page 8: ...l band Increasing the control band slows down the W7100 response and increases the temperature deviation Lowering the control band speeds up the W7100 response while decreasing the temperature deviation from setpoint The control band setpoint should be as narrow as possible without causing hunting or rapid cycling If instability hunting or rapid cycling occurs widen the control band setpoint Fast ...

Page 9: ...red leads 6 Jumper W7100 terminals P and P1 7 Remove red plastic dust plug from W7100 bottom and install 195770A Test Plug in the revealed socket 8 Set W7100 reset knob at 20 F 11K 9 Set W7100 setpoint at 10 F 12 C 10 Connect 24 Vac power to the W7100 TR and TR terminals Check for 24 Vac across W7100 TR and TR terminals 11 Wait 15 seconds 12 All W7100 stages should be energized All red LED should ...

Page 10: ...lding engineering requirements No cooling 1 Shorted or open discharge sensor terminals T T1 1 Correct the wiring 2 Open reset terminals 6 7 interpreted as maximum reset 2 Jumper terminals 6 7 or connect reset thermostat 3 Remote setpoint terminals P P1 open 3 Jumper terminals P P1 or connect remote setpoint potentiometer 4 System malfunction 4 Consult HVAC manufacturer s equipment manual and or bu...

Page 11: ...11 63 4046 1 ...

Page 12: ...0 Brussels 480 Sawgrass Corporate Parkway Golden Valley MN 55422 Scarborough Ontario No 30 Harbour Road Belgium Suite 200 M1V 4Z9 Wanchai Sunrise FL 33325 Hong Kong By using this Honeywell literature you agree that Honeywell will have no liability for any damages arising out of your use or modification to the literature You will defend and indemnify Honeywell its affiliates and subsidiaries from a...

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