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Related Manuals for Danfoss ADAP-KOOL AK-PC 782B
Summary of Contents for Danfoss ADAP-KOOL AK-PC 782B
- Page 1 User Guide Testing and startup guide Type AK-PC 782B www.danfoss.com...
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Page 2: Table Of Contents
16. AK-PC 782B oil reservoir setup ............................17 This guide is intended to assist factory quality control departments and site startup technicians. It contains the pre-checks that danfoss personnel would typically conduct on site prior to the refrigeration system being charged and started. -
Page 3: Ak-Pc 782B Wiring & Addressing Overview
Represents board number assigned Represents communications module address to in pack controller using ST500 identify order of CM102's In the I/O extension loop. Has no relation to AK-PC 782B dial addresses. © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 3... -
Page 4: Ak-Pc 782B Analog Input Veri Cation
The AK PC 782B, as well as all modules connected to the pack controller, follow point numbering from top-left to bottom-right as shown below. Example, a compressor contactor coil wired. To the third output point on module #2 would be de ned as module #2, point 11. 4 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 5: Ak-Pc 782B Analog Input Con Guration
PIN 2 = Blue (–Common @input) PIN 3 = Brown (+Signal @input) PIN 4 = Yellow/Green (GND) Danfoss temperature sensors are not polarity sensitive one wire to input (–), the other wire to input (+) © Danfoss | Climate Solutions | 2024.02... -
Page 6: Ak-Pc 782B Digital Input Veri Cation
If the device is wired normally open, select o . Verify MOD/PT assignments in the same fashion as described on pages 3 & 4. Be sure to scroll down the page to verify all "Active at" selections. 6 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 7: Ak-Pc 782B Output Input Veri Cation
10 – 0 V 5 – 0 V Select valve model listed on the valve name plate Verify MOD/PT assignments in the same fashion as described on pages 3 & 4. © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 7... -
Page 8: Ak-Pc 782B Stepper Valve Wiring
User Guide | Testing and startup guide, type AK-PC 782B 8. AK-PC 782B stepper valve Valves with integrated actuators example: CCM-40 wiring Valves with external ICAD actuators example: ICMTS-20 8 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 9: Icad 600A/1200A Quick Start
Prefabricated ICAD cable length 1.5 m 10 m 15 m Code number 027H0426 027H0438 027H0427 027H0435 Min. Voltage ICAD terminal (600A/1200A) [V DC] Max. 26.4 * Do not measure inside the ICAD itself © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 9... -
Page 10: Disconnect Power
For further functions, Note: programming possibilities If factory reset has been performed the and factory settings; 24 Volt DC ICAD will start ashing A1 in the display. please see ICAD instruction. ONLY 10 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 11: Ak-Pc 782B High Pressure Valve Settings
(This is the temperature delta setting for oating). Dimensioning TM = similar to min. Tm setting. When all compressors are active the pack uses this setting in lieu of min. TM. © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 11... -
Page 12: Ak-Pc 782B High Ejector Control Settings
When the gas cooler psi decreases, ejectors will de-activate. The pack controller will stage ejectors in random order when needed to keep the cycle counts relatively close to each other. 12 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 13: Ak-Pc 782B Receiver Bypass Valve Settings
Prec min Pband = this value is added to Prec min. To close the receiver valve Prior to reaching Prec min. setting Prec min. = going below this value will generate a low receiver pressure alarm © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 13... -
Page 14: Ak-Pc 782B Low Temp Suction Group Settings
To min. Limit = if this setting is reached all compressor activity is lock o . This di ers from pump down setting in that to min. Limit also disables the receiver valve 14 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 15: Ak-Pc 782B Medium Temp Suction Group Settings
To min. Limit = if this setting is reached all compressor activity is lock o . This di ers from pump down setting in that to min. Limit also disables the receiver valve. © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 15... -
Page 16: Ak-Pc 782B It (Parallel Compression) Suction Group Settings
IT Comp. Sgc min. = the gas cooler outlet temp must be above this value for the IT suction group to activate. This ensures enough load to the group to keep it running. 16 | BC479936513201en-000101 © Danfoss | Climate Solutions | 2024.02... -
Page 17: Ak-Pc 782B Oil Reservoir Setup
Low & High = the emptying sequence starts when the high level switch activates and continues until the low level switch is activated © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 17... - Page 18 Open time nominal = time valve is open during the period Example: based on the settings above, when the emptying sequence starts it will pulse the oil reservoir dump valve for 15 seconds every four minutes. © Danfoss | Climate Solutions | 2024.02 BC479936513201en-000101 | 18...
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