.png)
Mobile / Travel
Capable Units
Confidently bring the most reliable A/C units on-the-go with you. Featuring mechanical scale locks that eliminate the need to recalibrate your refrigerant scale after transporting the unit long distances, saving you time.
​
Both units feature legendary Robinair quality, the largest nationwide support and service network, automatic oil drain and patented automatice internal tank refill for more efficient service.
AC1234-4SL
Premier R-1234yf Recover, Recycle and Recharge Unit for Mobile Service
The AC1234-4SL is a fully automatic R-1234yf ACS machine with an integrated scale lock, designed for mobile service. The mechanical scale lock eliminates the need to recalibrate your refrigerant scale after transporting the machine long distances, saving time. Accessible from outside the machine, the lock secures the scale, preventing damage or inaccurate refrigerant measurement. The internal tank stays on the scale during transport.
​
A safe startup feature prevents the machine from powering on if the lock is engaged. Extra-long 12' hoses make mobile service easier. An indicator light reminds technicians to lock the scale before transport, while special tie-down points and guidelines ensure your machine is safe and secure for mobile service.
​
AC1234-4SL meets or exceeds SAE J2843 standards for R-1234yf refrigerant recovery. The machine includes an integrated refrigerant identifier that samples the refrigerant in the vehicle’s A/C system prior to recovery. The AC1234-4SL is a highly accurate and reliable machine capable of servicing both standard and high-voltage vehicle A/C systems. The special AC1234-4SL version comes equipped with a mechanical scale lock, which prevents scale damage and is specifically design to handle the rough day to day use of mobile automotive A/C service.
​
-
Fully automatic operation — program for service, walk away and return when complete
-
98.5% recovery efficiency
-
Charge accuracy within +/- ½ oz
-
Automatic internal tank refill. No stopping to fill the internal tank during service, or before service
​
-
Automatic oil drain shows how much oil was removed from the system during service
-
Automatic air purge removes the potential of air accumulating in the internal tank
-
Integrated refrigerant identifier (meets SAE J2927)
-
Meets SAE J2843 standards for R-1234YF Recover, Recycle and Recharge equipment
-
Programmable vacuum operation helps get to the necessary vacuum level in any condition quickly
-
System leak test to identify gross leaks in a system
-
Liquid refrigerant flushing function can flush A/C systems or individual components using liquid refrigerant instead of harsh chemicals
-
Optional Printer: Compatible with accessory printer 30038
​
Keep your unit operating with 34724 replacement filters and Robinair's vacuum pump oil and 13172 maintenance kits.
​
Features | AC1234-4SL | 34988NI-SL |
|---|---|---|
Automatic Oil Injection: user-programmable | No | Yes, 2 bottles |
Automatic Dye Injection: 1-4-oz during recharge, user-selectable | No | Yes |
Visual and Audible Alarm / Notifications | Yes | Yes |
Electric Vehicle: Capable of servicing high voltage electric compressor A/C systems | Yes | No |
Refrigerant Management System: Displays refrigerant use and monitors remaining filter life, prompts appear when 1/3 filter life remains | Yes | Yes |
Save, print, and store before and after service data | Yes, optional printer 30038 | Yes, printer included |
Refrigerant and Oil System Capacity Database for North American market vehicles | Optional, 34413-D | Optional, 34412-F |
Refrigerant Charging | High, low or both sides | High, low or both sides |
WiFi / Bluetooth Capability | No | No |
Multilingual | Yes | Yes |
Display | 4.3" 480 x 272 QVGA Color LCD | 7" Graphical LCD |
Vacuum Leak Test and Monitoring | Yes | Yes |
Automatic Air Purge: Removes potential of air accumulating in the internal tank | Yes | Yes |
Automatic Oil Drain: Shows amount of oil to replace | Yes | Yes |
Vacuum Feature: Defaults to 15 mins, programmable up to 99 mins, "Remaining time" is displayed | Yes | Yes |
Automatic Refrigerant Refill: Maintains a user-selectable amount of refrigerant in an internal vessel and signals when it's time to change the supply tank, no monitoring required | Yes | Yes |
Integrated Refrigerant Identifier (meets SAE J2927) | Yes | No |
Fully-Automatic Function | Yes | Yes |
Specifications | AC1234-4SL | 34988NI-SL |
|---|---|---|
Filter | 330-lb (150 kg) spin-on filter | 150-lb (68 kg) spin-on filter |
Vacuum Pump | 1.5 CFM dual-stage vacuum pump | 1.5 CFM dual-stage vacuum pump |
Minimum Refrigerant Recovery | 98.5% minimum refrigerant recovered | 98.5% minimum refrigerant recovered |
Charging Accuracy | +/- 0.5 oz | +/- 0.5 oz |
Hoses | 12 ft (3.65 m) SAE J2886 | 12 ft (3.65 m) SAE J2886 |
Tank Size | 30 lb DOT (13.6 kg); 22 lb (10 kg) capacity | 30 lb DOT (13.6 kg); 22 lb (10 kg) capacity |
SAE Compliance for R-1234YF and R-134A | R-1234YF, J2843, J2927 certified | R-134A, J2788 certified |
Compressor | 1/3 HP hermetically sealed | 3/8 HP, pressure-protected, oiled, hermetically sealed |
Keyboard | Alpha-numeric with service function keys | Alpha-numeric with service function keys |
Pressure Gauges | 100mm, EN-837-1 | 100mm, EN-837-1 |
Operating Voltage | 115 VAC, 60 HZ | 125 VAC, 60 HZ |